/* flexed布局相关css */
.flex{
  display: flex;
}
.flex-one{
  flex: 1;
}
.flex_wrap{
  flex-wrap: wrap;
}
.flex_nowrap{
  flex-wrap: nowrap;
}
.flex_reverse{
  flex-wrap: wrap-reverse;
}
.align_item_start{
  align-items: flex-start;
}
.align_item_center{
  align-items: center;
}
.align_item_end{
  align-items: flex-end;
}
.align_item_stretch{
  align-items: stretch;
}
.align_item_baseLine{
  align-items: baseline;
}
.align_content_start{
  align-content: flex-start;
}
.align_content_center{
  align-content: center;
}
.align_content_end{
  align-content: flex-end;
}
.align_content_stretch{
  align-content: stretch;
}
.align_content_evenly{
  align-content: space-evenly;
}
.align_content_around{
  align-content: space-around;
}
.align_content_between{
  align-content: space-between;
}
.justify_content_start{
  justify-content: flex-start
}
.justify_content_center{
  justify-content: center;
}
.justify_content_end{
  justify-content: flex-end;
}
.justify_content_around{
  justify-content: space-around;
}
.justify_content_between{
  justify-content:space-between;
}
.justify_content_evenly{
  justify-content: space-evenly;
}
/* customer相关css */
.pointer{
  cursor: pointer;
}